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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exponent Prime Factor Digits Year
12889823257796478 ~1987
12890219257804398 ~1987
128902871289028719 ~1988
12890291257805838 ~1987
12890723257814478 ~1987
12891409113444399310 ~1991
12891433773485998 ~1988
12891479257829598 ~1987
12891533773491998 ~1988
12891533381589376910
12891653773499198 ~1988
12891731257834638 ~1987
12891803257836078 ~1987
12892331257846638 ~1987
12892513773550798 ~1988
12892541773552478 ~1988
12892703257854078 ~1987
12893099257861998 ~1987
12893291257865838 ~1987
128934711031477699 ~1988
12893483257869678 ~1987
12893677773620638 ~1988
12893857361027996110 ~1992
12894263257885278 ~1987
12894383257887678 ~1987
Exponent Prime Factor Digits Year
12894671257893438 ~1987
12894803257896078 ~1987
12894839257896798 ~1987
12894923257898478 ~1987
12895079257901598 ~1987
12895331257906638 ~1987
12895439257908798 ~1987
12895451257909038 ~1987
128958492837086799 ~1989
12895901773754078 ~1988
12896473773788398 ~1988
12896519257930398 ~1987
12897383257947678 ~1987
12897803257956078 ~1987
12897971257959438 ~1987
12898799257975998 ~1987
12899077773944638 ~1988
12899437773966238 ~1988
12899483257989678 ~1987
12899531257990638 ~1987
12900011258000238 ~1987
12900311258006238 ~1987
12900551258011038 ~1987
12900599258011998 ~1987
129008039546594239 ~1990
Exponent Prime Factor Digits Year
12901081774064878 ~1988
12901237774074238 ~1988
129012774902485279 ~1990
129013812838303839 ~1989
12901571258031438 ~1987
12901979258039598 ~1987
12902117774127038 ~1988
12902423258048478 ~1987
12902783258055678 ~1987
129028493870854719 ~1989
129028671032229379 ~1988
12902993774179598 ~1988
12903179258063598 ~1987
129031791032254339
12903181774190878 ~1988
12903431258068638 ~1987
12903503258070078 ~1987
12903593774215598 ~1988
129035991032287939 ~1988
12903613774216798 ~1988
12903791258075838 ~1987
12904103258082078 ~1987
12904117774247038 ~1988
12904253774255198 ~1988
12904271258085438 ~1987
Exponent Prime Factor Digits Year
12904481774268878 ~1988
12904631258092638 ~1987
129046434129485779 ~1990
12904693774281598 ~1988
12904883258097678 ~1987
12905041774302478 ~1988
129051112322919999 ~1989
12905423258108478 ~1987
12905603258112078 ~1987
12905699258113998 ~1987
12905701774342078 ~1988
12905723258114478 ~1987
129057233355487999
12905773774346398 ~1988
12905861774351678 ~1988
129059691806835679 ~1989
12906577774394638 ~1988
12906863258137278 ~1987
12907259258145198 ~1987
12907319258146398 ~1987
12907451258149038 ~1987
12907571258151438 ~1987
12907883258157678 ~1987
129079271290792719 ~1988
129080391032643139 ~1988
1254
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26-09-27